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It took 2: 44 minutes to copy GB of data. Is it fast or slow? Copy two SATA Disks

Source: Internet
Author: User
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It took 2: 44 minutes to copy GB of data. Is it fast or slow? Copy two SATA disks-general Linux technology-Linux technology and application information. For details, refer to the following section. There was a GB Samsung SATA disk, and the data was almost full recently.
So yesterday I bought a new WD SATA GB hard drive. I thought that it would take a long time to create a partition for 160 of the data on a GB hard disk and migrate it again. (I copied the data from SAMBA, copy the three at the same time... It took one afternoon ).
So I tried to be lazy.
I want to change the partition from EXT4 to LVM, so that I can easily increase it. I cannot find a method. I recently started the course and started the Turbo Linux course. Ask the teacher, the teacher said there is no way. If you want to switch to LVM, you must have a disk ....


Last night, I finally tried to use dd. Copy data from a GB hard disk to a GB hard disk.
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